This Set includes 17 x 25mm Insert Bits, 7 x 50mm Driving Bits, 3 x Nut Drivers, 12 x Black Oxide HSS Drill Bits, 4 x Brad Point Drill Bits, 2 x Flat Wood Spade Bits, 2 x Multi-Tool Plunge Cutting Blades and a Magnetic Bit Holder. The 25mm Insert Bits will easily attach to your drill driver with the included Magnetic Bit Holder. With 17 drive types/sizes, you can tighten and loosen a wide range of fasteners. The 50mm Driving Bits are suitable for fixing fasteners with an impact driver. With precision-milled tips, they provide enhanced screw fitment and result in minimal cam-outs. They’re also constructed with a torsion zone, which absorbs extreme peaks of torque common with impact drivers. Drive nuts and bolts with the Nut Drivers that come in three different sizes ranging from ¼” (6.35mm) to 3/8” (9.53mm). The Black Oxide HSS Drill Bits are great for drilling into timber, light metals, and plastic. They’re coated in black oxide, which reduces friction and heat to maximise bit life. Their sizes range from 1/16” (1.59mm) to ¼” (6.35mm). The Brad-Point Drill Bits have a 3-point head design, which enables precision wood drilling. They range in sizes 5/32” (1.59mm) – ¼” (6.35mm). With a wing spur design, both Flatwood Spade Bits make faster and cleaner cuts in timber. Their sizes include ½” (12.7mm) and 1” (25.4mm). The Plunge Cut Multi-Tool Blades are designed to cut directly into timber, PVC piping and plasterboard.